Fatal error: Uncaught Error: Class 'WP_REST_Controller' not found in /home/savsol/public_html/wp-content/plugins/jetpack/_inc/lib/core-api/wpcom-endpoints/class-wpcom-rest-api-v3-endpoint-jitm.php:23 Stack trace: #0 {main} thrown in /home/savsol/public_html/wp-content/plugins/jetpack/_inc/lib/core-api/wpcom-endpoints/class-wpcom-rest-api-v3-endpoint-jitm.php on line 23